FlatTreeDataGridSource<TModel>A data source for a TreeDataGrid which displays a flat grid.HierarchicalTreeDataGridSource<TModel>A data source for a TreeDataGrid which displays a hierarchial tree where each row may have multiple columns.TreeDataGridItemsSourceViewRepresents a standardized view of the supported interactions between a given ItemsSource object and a TreeDataGrid control.TreeDataGridRowDragEventArgsProvides data for the RowDragOver and RowDrop events.TreeDataGridRowDragStartedEventArgsProvides data for the RowDragStarted event.CellIndexRepresents a cell in a TreeDataGrid.ITreeDataGridSourceRepresents a data source for a TreeDataGrid control.ITreeDataGridSource<TModel>Represents a typed data source for a TreeDataGrid control.